1. Policy, Innovation Systems and Impact Assessment Program, Africa Rice Center (AfricaRice), Antananarivo, Madagascar
2. Genetic Diversity and Improvement Program, Africa Rice Center (AfricaRice), Antananarivo, Madagascar
3. Department of Global Development, Cornell University, Ithaca, NY, USA
4. Centre National de Recherche Appliquée au Développement Rural (FOFIFA), Fianarantsoa, Madagascar